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Çѱ¹°ÇÃà½Ã°øÇÐȸ / v.11, no.6, 2011³â, pp.530-537
°ÇÃà½Ã°ø ÇöÀåÀû¿ëÀ» À§ÇÑ ºñºö¹æ¹ý¿¡ µû¸¥ SHCCÀÇ ¿ªÇÐÀû ¼º´É Æò°¡
( Evaluation on the Mechanical Properties of Strain Hardening Cement Composite by Mixing Method for Application at Building Construction Site )
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¿¬±¸´Â SHCCÀÇ °ÇÃà½Ã°ø ÇöÀåÀû¿ëÀ» ¸ñÀûÀ¸·Î ÇöÀå Á¦Á¶¼³ºñÀÎ ¹èÄ¡Ç÷£Æ® 2-Shaft ¹Í¼­¸¦ ÀÌ¿ëÇÏ¿© SHCC Á¦Á¶ ¹× Ÿ¼³À» ÅëÇØ ½ÇºÎÀç ½ÇÇèÀ» ½Ç½ÃÇϰí, À̸¦ ½Ç³»½ÇÇè °á°ú¿Í ºñ±³ °ËÅäÇÔÀ¸·Î¼­ ÇâÈÄ SHCCÀÇ ÇöÀåÀû¿ëÀ» À§ÇÑ ±âÃÊÀÚ·á·Î Á¦½ÃÇϰíÀÚ ÇÏ¿´´Ù. ±× °á°ú, ½Ç³» Omni ¹Í¼­¿Í 2-Shaft ¹Í¼­¿¡¼­ SHCC Á¦Á¶½Ã ÀÎÀå°­µµ´Â À¯»çÇÏ¿´Áö¸¸, º¯Çü·ü¿¡¼­ Omni ¹Í¼­°¡ 2.5 % ÀÌ»ó ¿ì¼öÇÏ¿´´Ù. ¹èÄ¡Ç÷£Æ® 3500 L 2-Shaft ¹Í¼­¿¡¼­ Á¦Á¶µÈ SHCCÀÇ °æ¿ì, ½Ç³» 100 L 2-Shaft ¹Í¼­¿¡¼­ Á¦Á¶ÇÑ SHCC¿¡¼­ ÀÎÀå ¼º´ÉÀÌ º¸´Ù ³ô°Ô ³ªÅ¸³µ´Ù. SHCCÀÇ ÇöÀåÀû¿ë È®´ë¸¦ À§Çؼ­´Â ¹èÄ¡Ç÷£Æ® ÇöÀå Á¦Á¶½Ã °Çºñºö, ¸ð¸£Å¸¸£ ºñºö½Ã°£À» ÃæºÐÈ÷ÇÏ¿© ¸ÅÆ®¸¯½º¸¦ ±ÕÁú¼ºÀ» È®º¸Çϰí, ºñºö´Ü°è¿¡¼­ ÀûÀýÇÑ Á¡¼º ¹× À¯µ¿¼ºÀ» È®º¸ÇÒ ¼ö ÀÖ´Â ´Ù¾çÇÑ ¹æ¹ýÀ» °í·ÁÇØ¾ß ÇÑ´Ù.
The purpose of this study is to examine material performance of fiber reinforced cement composite for mass production. It is necessary to manufacture SHCC(Strain Hardening Cement Composite) by batch plant for field application and mass production. For the study, a mock-up test of SHCC manufactured in the batch plant was conducted, and the performance was compared with SHCC manufactured in the laboratory. Assessment items were freshness and hardening properties. Specifically, direct tensile test machine was used for performance verification of SHCC. As a result, there was a tendency of less satisfactory fiber dispersion and performance of strain hardening compared with the performance of SHCC manufactured in the laboratory. To address this, dry mixing and mortar mixing time should be increased compared to laboratory mixing, and injection time of an agent such as a water reducing agent should be properly controlled according to mixing combination, or the capacity to secure dispersion and homogeneity of material.
 
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°ÇÃà½Ã°ø ÇöÀåÀû¿ë;º¯Çü°æÈ­Çü ½Ã¸àÆ® º¹ÇÕÀç·á;Á¦Á¶¹æ¹ý;¹èÄ¡Ç÷£Æ®;Á÷Á¢ÀÎÀ强´É;strain hardening cement composite;methods of manufacture;batch plant;direct tensile performance;
 
Çѱ¹°ÇÃà½Ã°øÇÐȸÁö / v.11, no.6, 2011³â, pp.530-537
Çѱ¹°ÇÃà½Ã°øÇÐȸ
ISSN : 1598-2033
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201106239852680)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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